If you need to generate lots of I/O on an Oracle database, the de-facto I/O generator tool is SLOB (Silly Little Oracle Benchmark). In the recent years however, PostgreSQLÂ has gotten a lot of traction and many customers are starting…
Announcing qdda 2.0
It’s almost a year since I blogged about qdda (the Quick & Dirty Dedupe Analyzer). qdda is a tool that lets you scan any Linux disk or file (or multiple disks) and predicts potential thin, dedupe and compression savings if…
Silly Little Oracle Benchmark – RPM edition
A while ago Kevin Closson announced a new release of the well-known SLOB kit. SLOB is a simple but powerful toolkit that drives lots and lots of IO on a real Oracle database (so for performance testing of database platforms,…
Introducing Outrun for Oracle
Overview If you want to get your hands dirty with Oracle database, the first thing you have to do is build a system that actually runs Oracle database. Unless you have done that several times before, chances are that this…
Oracle ASM vs ZFS on VNX
In my last post on ZFS I shared results of a lab test where ZFS was configured on Solaris x86 and using XtremIO storage. A strange combination maybe but this is what a specific customer asked for. Another customer requested…